The Immune System

1
The Immune System
2
Skin a physical barrier
3
Phagocytes White Blood Cells

• Inside the circulatory system
• Outside the vessels
• Phagocytosis

http//www.cellsalive.com/qtmovs/mac_mov.htm
4
Antibody Formation

• Phagocyte T cell interaction
• Two reactions of the T cells
• B cells
• Antibodies
• Memory

5
Phagocyte T cell interaction
6
Two reactions of the T cells

• 1. Multiply and attack. Contain the outbreak.
  Kill existing viruses and infected cells.
• 2. Take the information to the B cells so they
  can make Antibodies.

7
B cells
8
Antibodies
9
Memory

• B-cells make other B cells that keep the
  antibodies in case there is a future infection
  with a similar antigen.

10
AIDS

• Attacks T cells
• Uses a Cloaking Devise